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Table 2.

Fraction of past GW observing run time during which each sub-network was operational and corresponding geometrical factor, ⟨xlim3⟩.

Index (a) Sub-network (b) Time fraction (c) xlim3j, l
(j, l) fj, l
O1

(0,0) H 0.21 0.086
(1,0) L 0.13 0.086
(2,0) HL 0.38 0.19

O2

(0,1) H 0.14 0.086
(1,1) L 0.125 0.086
(2,1) V 0.0062 0.086
(3,1) HL 0.38 0.44
(4,1) VH 0.0064 0.10
(5,1) LV 0.0083 0.095
(6,1) HLV 0.057 0.47

O3a

(0,2) H 0.030 0.086
(1,2) L 0.035 0.086
(2,2) V 0.086 0.086
(3,2) HL 0.14 0.36
(4,2) VH 0.096 0.10
(5,2) LV 0.14 0.097
(6,2) HLV 0.44 0.39

O3b (and O5)

(0,3) H 0.031 0.086
(1,3) L 0.023 0.086
(2,3) V 0.064 0.086
(3,3) HL 0.16 0.31
(4,3) VH 0.10 0.11
(5,3) LV 0.093 0.10
(6,3) HLV 0.50 0.34

O4a ( † )

(0,4) H 0.14 0.086
(1,4) L 0.16 0.086
(2,4) HL 0.53 0.27

O4b ( † )

(0,5) H 0.025 0.086
(1,5) L 0.067 0.086
(2,5) V 0.080 0.086
(3,5) HL 0.079 0.28
(4,5) VH 0.093 0.097
(5,5) LV 0.25 0.095
(6,5) HLV 0.29 0.29

O4c ( † )

(0,6/7) H 0.034 0.086
(1,6/7) L 0.061 0.086
(2,6/7) V 0.080 0.086
(3,6/7) HL 0.093 0.28
(4,6/7) VH 0.12 0.097
(5,6/7) LV 0.22 0.095
(6,6/7) HLV 0.34 0.29

Notes.

(a)

Indices (j, l) included to ease the comparison with Eq. (18).

(b)

KAGRA is not included for simplicity.

(c)

Fractions marked with an asterisk were set to zero in the computation of the effective sensitive volume of the run, because single-detector triggers were not considered valid during these runs.

( † )Based on GWOSC detector status summary and the method described in Appendix A, because the data segments were not yet available at the time of writing.

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